// If there's an If-Modified-Since header, respond with a 304 appropriately
$ims = $context->getRequest()->getHeader( 'If-Modified-Since' );
- if ( $ims !== false && $mtime >= wfTimestamp( TS_UNIX, $ims ) ) {
+ if ( $ims !== false && $mtime <= wfTimestamp( TS_UNIX, $ims ) ) {
header( 'HTTP/1.0 304 Not Modified' );
header( 'Status: 304 Not Modified' );
wfProfileOut( __METHOD__ );